A qualitative classification of extraterrestrial civilizations

Context. Interest in searches for extraterrestrial civilizations (ETCs) has been boosted in recent decades by the discovery of thousands of exoplanets. Aims. We turn to the classification of ETCs for new considerations that may help to design better strategies for searching for ETCs. Methods. This s...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2020-07, Vol.639, p.A94
Hauptverfasser:	Ivanov, Valentin D., Beamín, Juan Carlos, Cáceres, Claudio, Minniti, Dante
Format:	Artikel
Sprache:	eng
Schlagworte:	Civilization Classification Energy consumption Extrasolar planets Extraterrestrial intelligence Searching
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